include/trace/events/workqueue.h

   1 #if !defined(_TRACE_WORKQUEUE_H) || defined(TRACE_HEADER_MULTI_READ)
   2 #define _TRACE_WORKQUEUE_H
   3
   4 #include <linux/workqueue.h>
   5 #include <linux/sched.h>
   6 #include <linux/tracepoint.h>
   7
   8 #undef TRACE_SYSTEM
   9 #define TRACE_SYSTEM workqueue
  10
  11 TRACE_EVENT(workqueue_insertion,
  12
  13         TP_PROTO(struct task_struct *wq_thread, struct work_struct *work),
  14
  15         TP_ARGS(wq_thread, work),
  16
  17         TP_STRUCT__entry(
  18                 __array(char,           thread_comm,    TASK_COMM_LEN)
  19                 __field(pid_t,          thread_pid)
  20                 __field(work_func_t,    func)
  21         ),
  22
  23         TP_fast_assign(
  24                 memcpy(__entry->thread_comm, wq_thread->comm, TASK_COMM_LEN);
  25                 __entry->thread_pid     = wq_thread->pid;
  26                 __entry->func           = work->func;
  27         ),
  28
  29         TP_printk("thread=%s:%d func=%pF", __entry->thread_comm,
  30                 __entry->thread_pid, __entry->func)
  31 );
  32
  33 TRACE_EVENT(workqueue_execution,
  34
  35         TP_PROTO(struct task_struct *wq_thread, struct work_struct *work),
  36
  37         TP_ARGS(wq_thread, work),
  38
  39         TP_STRUCT__entry(
  40                 __array(char,           thread_comm,    TASK_COMM_LEN)
  41                 __field(pid_t,          thread_pid)
  42                 __field(work_func_t,    func)
  43         ),
  44
  45         TP_fast_assign(
  46                 memcpy(__entry->thread_comm, wq_thread->comm, TASK_COMM_LEN);
  47                 __entry->thread_pid     = wq_thread->pid;
  48                 __entry->func           = work->func;
  49         ),
  50
  51         TP_printk("thread=%s:%d func=%pF", __entry->thread_comm,
  52                 __entry->thread_pid, __entry->func)
  53 );
  54
  55 /* Trace the creation of one workqueue thread on a cpu */
  56 TRACE_EVENT(workqueue_creation,
  57
  58         TP_PROTO(struct task_struct *wq_thread, int cpu),
  59
  60         TP_ARGS(wq_thread, cpu),
  61
  62         TP_STRUCT__entry(
  63                 __array(char,   thread_comm,    TASK_COMM_LEN)
  64                 __field(pid_t,  thread_pid)
  65                 __field(int,    cpu)
  66         ),
  67
  68         TP_fast_assign(
  69                 memcpy(__entry->thread_comm, wq_thread->comm, TASK_COMM_LEN);
  70                 __entry->thread_pid     = wq_thread->pid;
  71                 __entry->cpu            = cpu;
  72         ),
  73
  74         TP_printk("thread=%s:%d cpu=%d", __entry->thread_comm,
  75                 __entry->thread_pid, __entry->cpu)
  76 );
  77
  78 TRACE_EVENT(workqueue_destruction,
  79
  80         TP_PROTO(struct task_struct *wq_thread),
  81
  82         TP_ARGS(wq_thread),
  83
  84         TP_STRUCT__entry(
  85                 __array(char,   thread_comm,    TASK_COMM_LEN)
  86                 __field(pid_t,  thread_pid)
  87         ),
  88
  89         TP_fast_assign(
  90                 memcpy(__entry->thread_comm, wq_thread->comm, TASK_COMM_LEN);
  91                 __entry->thread_pid     = wq_thread->pid;
  92         ),
  93
  94         TP_printk("thread=%s:%d", __entry->thread_comm, __entry->thread_pid)
  95 );
  96
  97 #endif /* _TRACE_WORKQUEUE_H */
  98
  99 /* This part must be outside protection */
 100 #include <trace/define_trace.h>